#ifndef MAINWINDOW_H
#define MAINWINDOW_H

class MainWindow : public QMainWindow
{
    Q_OBJECT
    
public:
    explicit MainWindow(QWidget *parent = 0);
    virtual ~MainWindow();

    static MainWindow * instance() { return self; }

    QWidget * createMdiChild();
    QWidget * activeMdiChild();
    QMdiSubWindow * findMdiChild(const QString &fileName);

private Q_SLOTS:
    void newFile();
    void open();
    void save();
    void saveAs();
    void cut();
    void copy();
    void paste();
    void about();
    void updateWindowMenu();
    void switchLayoutDirection();
    void setActiveSubWindow(QWidget *window);

private:
    void createActions();
    void createMenus();
    void createToolBars();
    void createStatusBar();
    void readSettings();
    void writeSettings();

private:
    QMdiArea *mdiArea;
    QSignalMapper *windowMapper;
    QMenu *fileMenu;
    QMenu *editMenu;
    QMenu *windowMenu;
    QMenu *networkMenu;
    QMenu *helpMenu;
    QToolBar *fileToolBar;
    QToolBar *editToolBar;

    QAction *newAct;
    QAction *openAct;
    QAction *saveAct;
    QAction *saveAsAct;
    QAction *exitAct;
    QAction *cutAct;
    QAction *copyAct;
    QAction *pasteAct;
    QAction *closeAct;
    QAction *closeAllAct;
    QAction *tileAct;
    QAction *cascadeAct;
    QAction *nextAct;
    QAction *previousAct;
    QAction *separatorAct;
    QAction *aboutAct;

    static MainWindow *self;
};

#endif // MAINWINDOW_H
